√B and √C are supplementary angles.
√B + √C = 180
4x + 60 = 180
4x = 120
x = 30
Answer: A
X/7 = 0.4 => x = 7 x 0.4 = 2.8
7/y = 0.4 => y = 7 : 0.4 = 17.5
If RS arc is = to the RS central angle then the RS arc would be 20 degrees, but if the RS is on the Circumference then the RS arc would be 40.
Answer:
12:30
4:10 (simplified)
Step-by-step explanation:
